The cosmic distance ladder: visualizing the relationship between many of the methods we use to determine very large distances: https://en.wikipedia.org/wiki/Cosmic_distance_ladder …pic.twitter.com/RSufz0CJkg
-
...should now be updated to show "standard siren" measurements with gravitational waves, going directly to 100 Mpc or so on the basis of fundamental physics alone! https://www.nature.com/articles/323310a0 … https://www.nature.com/nature/journal/v551/n7678/full/nature24471.html …
-
-
My favorite cosmological consequence of the recent NS NS merger measurements. Hoping for a completely independent fix on the Hubble constant, accurate to a few percent, within the next few years.
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.